Patents by Inventor D. van de Werve DE Schilde

D. van de Werve DE Schilde has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Building a lamination of fiberglass reinforced polyester resin on a rotating mandrel
    Patent number: 3947305
    Abstract: The invention is a process for building a lamination of a fiberglass reinforced polyester resin on a rotating continuous belt forming a spirally rotating mandrel consisting of pouring resin on the top of the mandrel from a substantially horizontal surface, depositing chopped strands of fiberglass onto the surface of the resin and impressing the chopped fiberglass into the resin with parallel strands of a suitable material. The specific method of pouring the resin onto the mandrel surface and the application of chopped fiberglass and parallel strands are also part of the invention.
    Type: Grant
    Filed: January 22, 1973
    Date of Patent: March 30, 1976
    Assignee: The Standard Oil Company
    Inventors: Pierre J. Leroux, D. van de Werve DE Schilde